Over a two-month period, this developer enhanced the Hexagon backend for both the ggml-org/llama.cpp and ggml-org/ggml repositories, focusing on expanding tensor operation support and improving numerical stability for Snapdragon platforms. Their work included implementing FILL and NORM operations, optimizing RMS_NORM and DIV accuracy for low-end DSPs, and enabling non-contiguous row tensor support in unary operations. They consolidated backend improvements for maintainability and upgraded the Windows toolchain to Hexagon SDK 6.6.0.0, ensuring broader compatibility. Utilizing C, C++, and CMake, they applied expertise in low-level programming, DSP optimization, and parallel processing to deliver robust backend acceleration.